Home / 7,242.36-10,862.28-2,861.10

Finding the Fourth Proportional to 7,242.36, 10,862.28 and 2,861.10

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Solution

The fourth proportional to 7,242.36, 10,862.28 and 2,861.10 is: 4,291.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,242.36 : 10,862.28 = 2,861.10 : x
  2. Step 2: Convert to fraction form
    7,242.36/10,862.28 = 2,861.10/x
  3. Step 3: Cross multiply
    7,242.36x = 10,862.28 × 2,861.10
  4. Step 4: Simplify right side
    7,242.36x = 31,078,069.31
  5. Step 5: Solve for x
    x = 31,078,069.31/7,242.36
  6. Step 6: Final answer
    x = 4,291.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.